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這是此問題的延續Get other columns from select ng-options指令的代碼在獲取數據之前觸發
我的指令存在問題。第一個問題是，通過表格的第一個初始加載，我可以正確看到部門和類別，但項目顯示'選擇項目'而不是項目。第二個問題是，當我導航到列表中的另一行時，初始值沒有顯示（例如，所有內容都顯示'選擇部門'，'選擇類別'，'選擇項目'而不是值。我確認在這種情況下我沒有檢索該行的數據尚未所以，我需要運行指令的代碼只後，我得到了我的數據
我怎樣才能解決我的問題
下面是指導整個代碼：？
(function() {
'use strict';
var app = angular.module('sysMgrApp');
app.directive('smDci', ['departmentService', 'categoryService', 'itemService', smDci]);
function smDci(departmentService, categoryService, itemService) {
var directive = {
restrict: 'E',
scope: {
selectedDepartmentId: '=?departmentid',
selectedCategoryId: '=?categoryid',
selectedItemId: '=itemid',
selectedDci: '=?dci'
},
controller: ['$scope', 'departmentService', 'categoryService', 'itemService',
function ($scope, departmentService, categoryService, itemService) {
$scope.selectedDepartmentId = $scope.selectedDepartmentId || 0;
$scope.selectedCategoryId = $scope.selectedCategoryId || 0;
$scope.selectedItemId = $scope.selectedItemId || 0;
$scope.selectedDci = $scope.selectedDci || '';
var init = function() {
$scope.metaData = {};
window.console && console.log('Selected departmentId = ' + $scope.selectedDepartmentId +
' Selected categoryId = ' + $scope.selectedCategoryId + ' Selected ItemId = ' + $scope.selectedItemId);
departmentService.getAllDepartments().then(function (data) {
$scope.metaData.departments = data.departments;
//window.console && console.log('Got all departments...')
});
if ($scope.selectedDepartmentId == 0 && $scope.selectedCategoryId == 0 && $scope.selectedItemId != 0) {
itemService.getItemById($scope.selectedItemId).then(function (data) {
var item = data.item;
if (item != null) {
$scope.selectedItem = item;
$scope.selectedDepartmentId = item.departmeId;
$scope.selectedCategoryId = item.categoryId;
window.console && console.log('Initial selections are about to fire...')
getInitialSelections();
}
});
}
else {
getInitialSelections();
}
};
var getInitialSelections = function()
{
if ($scope.selectedDepartmentId != 0) {
$scope.departmentChanged($scope.selectedDepartmentId);
}
if ($scope.selectedCategoryId != 0) {
$scope.categoryChanged($scope.selectedCategoryId);
}
}
$scope.departmentChanged = function (departmentId) {
if (!departmentId) {
$scope.selectedCategoryId = '';
$scope.selectedItemId = '';
$scop.selectedItem = {};
$scope.selectedDci = '';
}
else
{
categoryService.getCategoriesByDepartmentId(departmentId).then(function (data) {
$scope.metaData.categories = data.categories;
//window.console && console.dir($scope.selectedItem);
});
}
};
$scope.categoryChanged = function (categoryId) {
if (!categoryId) {
$scope.selectedItemId = '';
$scope.selectedItem = null;
$scope.selectedDci = '';
}
else
{
itemService.getItemsByCategoryId(categoryId).then(function (data) {
$scope.metaData.items = data.items;
});
}
};
$scope.itemChanged = function(item)
{
$scope.selectedItemId = item.itemId;
$scope.selectedDci = item.department + item.category + item.item;
}
init();
}],
templateUrl: 'app/templates/smDci'
};
return directive;
}
})();和HTML：
<div class="row">
<label class="control-label col-md-2" title="@Labels.dci">@Labels.dci:</label>
<div class="col-md-3">
<select class="form-control" ng-model="selectedDepartmentId" name="department" id="department"
ng-options="d.departmeId as d.descrip for d in metaData.departments"
data-no:dirty-check
ng-change="departmentChanged(selectedDepartmentId)">
<option value="">@String.Format(Labels.selectX, Labels.department)</option>
</select>
</div>
<div class="col-md-3">
<select class="col-md-3 form-control" ng-model="selectedCategoryId" id="category" name="category"
ng-disabled="!selectedDepartmentId"
data-no:dirty-check
ng-change="categoryChanged(selectedCategoryId)"
ng-options="c.categoryId as c.descrip for c in metaData.categories | filter: {departmeId:selectedDepartmentId}">
<option value="">@String.Format(Labels.selectX, Labels.category)</option>
</select>
</div>
<div class="col-md-3">
<select class="col-md-3 form-control" ng-model="selectedItem" id="item" name="item"
ng-disabled="!selectedCategoryId"
ng-change="itemChanged(selectedItem)"
ng-options="c as c.descrip for c in metaData.items | filter: {departmeId:selectedDepartmentId, categoryId:selectedCategoryId}">
<option value="">@String.Format(Labels.selectX, Labels.item)</option>
</select>
<div class="field-validation-error">
<span ng-show="item.$error.required">@String.Format(Messages.isRequired, Labels.item)</span>
</div>
</div>
</div>
<div class="clearfix"></div>這是我如何使用它的形式：
<data-sm:dci itemid="currentCardAct.itemId" dci="currentCardAct.dci"></data-sm:dci>使用記錄來安慰我可以看到我需要後檢索到的卡數據，例如在控制檯我看到
選定DepartmentID的= 0選擇的categoryId = 0選擇的項目Id = 0 CardActController.js：檢索221個當前的卡活動數據.. smDci.js：28選擇DepartmentID的= 0選擇的categoryId = 0選擇的項目Id = 0 CardActController.js：221當前卡活動數據檢索..
我想我可以在指令的代碼中添加手錶，但它是唯一的選擇嗎？